gh0strat | b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313

General

Target

b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
Size

2.9MB
MD5

1f07f193f52e403eaa69b15d78bbca14
SHA1

623042166436e71a4bb61efe49f8141125ac1ca9
SHA256

b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313
SHA512

df28282e53243a3877370abb4b807ef7cf7b34f9ce51c7534d4d0443a247c98095f5fa6a8835a9c9a4377918608a802ede4b4d365b08609beeead4cf339d6c7d
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuYH+n:pws2ANnKXOaeOgmhI1BTuYH+n

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1836-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1836-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1836-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1996-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1996-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1996-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b8c-5.dat	family_gh0strat
behavioral2/memory/1836-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1836-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1836-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1996-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1996-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1996-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

pid	Process
2800	R.exe
1836	N.exe
1600	TXPlatfor.exe
4396	HD_b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
1996	TXPlatfor.exe

Loads dropped DLL 1 IoCs

pid	Process
2800	R.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240628250.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1836-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1836-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1836-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1836-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1996-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1996-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1996-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
992	cmd.exe
4960	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4960	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1996	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1836	N.exe
Token: SeLoadDriverPrivilege	1996	TXPlatfor.exe
Token: 33	1996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1996	TXPlatfor.exe
Token: 33	1996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1996	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2800	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	83
PID 2656 wrote to memory of 2800	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	83
PID 2656 wrote to memory of 2800	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	83
PID 2656 wrote to memory of 1836	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	84
PID 2656 wrote to memory of 1836	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	84
PID 2656 wrote to memory of 1836	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	84
PID 1836 wrote to memory of 992	1836	N.exe	86
PID 1836 wrote to memory of 992	1836	N.exe	86
PID 1836 wrote to memory of 992	1836	N.exe	86
PID 2656 wrote to memory of 4396	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	87
PID 2656 wrote to memory of 4396	2656	b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe	87
PID 1600 wrote to memory of 1996	1600	TXPlatfor.exe	89
PID 1600 wrote to memory of 1996	1600	TXPlatfor.exe	89
PID 1600 wrote to memory of 1996	1600	TXPlatfor.exe	89
PID 992 wrote to memory of 4960	992	cmd.exe	91
PID 992 wrote to memory of 4960	992	cmd.exe	91
PID 992 wrote to memory of 4960	992	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
"C:\Users\Admin\AppData\Local\Temp\b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:992
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4960
- C:\Users\Admin\AppData\Local\Temp\HD_b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
  C:\Users\Admin\AppData\Local\Temp\HD_b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe
  2⤵
  - Executes dropped EXE
  PID:4396

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_b94cd109616182f4c2c8ea51e247679451c4b3489ffa03e1044642a1dbd45313.exe

Filesize
330KB

MD5
6fb447f4adf4c301f74bac0223a373e9

SHA1
e2df322e8a4b55ef476d34264d45ba1c94cb558b

SHA256
678792b44935d49dbc9cac66954380569ed88e8bac5d79d379157f5c25dd67c8

SHA512
c0533ddea2053c05d52febf60bcd487e3c29d5ff2ea24e5f4f497881356fd08cb4beb6dee059dacd69be6d2dd1c1cf6f992a450da0cbb1f69709d89145cdc469

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240628250.txt

Filesize
899KB

MD5
55c10814638a6fa4e6f568e31bca2098

SHA1
4d38b950a0a06251f25af6df8acf94181e3b84e6

SHA256
db5fd6d2cd86c777a0ce800ea4c0e138aacfd3d90e0f5d9cbaf650401552da8b

SHA512
d326fbb0d077911567bb320bcc1acd94a74f962d1de0cda08a171859720979f7c066217babf2a6ddbb30f0e32b0350d7ea68a29dc9939ab3e0d67b75f0cd8b6f

Download Submit
memory/1600-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1600-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1600-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1600-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1600-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1836-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1836-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1836-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1836-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1996-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1996-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1996-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads